It is said the magic cellphone ringtone, with a frequency of above 8000hz, can only be heard by people under the age of 25, whose hearing of high frequency sounds have remained unimpaired.
这种铃声的频率在8000赫兹以上，据说只有25岁以下的人能听到，因为青少年的高频听力还没受损伤。
A cellphone set to vibrate can be sensed by the skin of the hand, and the phone's ringtone generates sound waves -vibrations of air -that move the eardrum.
手机的震动能够被手部皮肤感知，手机铃声也要靠产生声波—声音的震动，然后引起鼓膜震动，我们才能听到铃声。
A cellphone set to vibrate can be sensed by the skin of the hand, and the phone's ringtone generates sound waves - vibrations of air - that move the eardrum.
手机的震动能够被手部皮肤感知，手机铃声也要靠产生声波—声音的震动，然后引起鼓膜震动，我们才能听到铃声。
Today, I had an important appointment for a job. During the interview, my cellphone rang. My ringtone is "Denver, the last Dinosaur". FML.
今儿我面试去了，正面呢我手机响了，我内铃声是“丹佛，最后一直恐龙”。我靠！
Today, I had an important appointment for a job. During the interview, my cellphone rang. My ringtone is "Denver, the last Dinosaur". FML.
今儿我面试去了，正面呢我手机响了，我内铃声是“丹佛，最后一直恐龙”。我靠！
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